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AR Web Content Manager (AWCM) v2.2 Cross-Site scripting Vulnerability

SecPod Technologies (www.secpod.com)
Author: Antu Sanadi
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SecPod ID:  1012        21/03/2011 Issue Discovered
            24/03/2011 Vendor Notified
            24/03/2011 Vendor Responded
            25/03/2011 Vendor Solution


Class: Cross-Site Scripting      Severity: Medium


Overview:
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AR Web Content Manager (AWCM) is prone to Cross-Site Scripting vulnerability.


Technical Description:
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AR Web Content Manager (AWCM) is prone to a Cross-Site Scripting vulnerability
as it fails to properly sanitize user-supplied input.

Input passed via the 'search' parameter in 'search' action in search.php is not
properly verified before it is returned to the user. This can be exploited
to execute arbitrary HTML and script code in a user's browser session in the
context of a vulnerable site. This may allow an attacker to steal cookie-based
authentication credentials and launch further attacks.

The vulnerability has been tested in AR Web Content Manager v2.1 and v2.2 Other
versions may also be affected.


Impact:
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Successful exploitation could allow an attacker to execute arbitrary HTML
code in a user's browser session in the context of a vulnerable application.


Affected Software:
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AR Web Content Manager (AWCM) v2.2 and prior.

Tested on,
AR Web Content Manager (AWCM) v2.2 and v2.1 (Tested using Mozilla firefox browser)


References:
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http://www.awcm-cms.com/
http://secpod.org/blog/?p=179
http://sourceforge.net/projects/awcm/files/
http://secpod.org/advisories/search.php.zip
http://secpod.org/advisories/SECPOD_AWCM_XSS.txt


Proof of Concept:
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http://IP_ADDR/awcm/search.php?search=<script>alert("SecPod-XSS-Test")</script>&where=all


Solution:
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Vendor as has provided the solution,
 http://www.zshare.net/download/8818096688e1e96a/


Risk Factor:
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    CVSS Score Report: 
        ACCESS_VECTOR          = NETWORK
        ACCESS_COMPLEXITY      = MEDIUM
        AUTHENTICATION         = NONE
        CONFIDENTIALITY_IMPACT = PARTIAL
        INTEGRITY_IMPACT       = PARTIAL
        AVAILABILITY_IMPACT    = NONE
        EXPLOITABILITY         = PROOF_OF_CONCEPT
        REMEDIATION_LEVEL      = UNAVAILABLE
        REPORT_CONFIDENCE      = CONFIRMED
        CVSS Base Score        = 5.2 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:N)


Credits:
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Antu Sanadi of SecPod Technologies has been credited with the discovery of this
vulnerability.